Home / 589,083.20-883,041.60-289,318.40

Finding the Fourth Proportional to 589,083.20, 883,041.60 and 289,318.40

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Solution

The fourth proportional to 589,083.20, 883,041.60 and 289,318.40 is: 433,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,083.20 : 883,041.60 = 289,318.40 : x
  2. Step 2: Convert to fraction form
    589,083.20/883,041.60 = 289,318.40/x
  3. Step 3: Cross multiply
    589,083.20x = 883,041.60 × 289,318.40
  4. Step 4: Simplify right side
    589,083.20x = 255,480,182,845.44
  5. Step 5: Solve for x
    x = 255,480,182,845.44/589,083.20
  6. Step 6: Final answer
    x = 433,691.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.